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Pot in perfume: Marijuana active component detected

Date: Jan 15, 2017

Author: Steve Down

The principal psychoactive component of marijuana has been found in a commercial perfume by researchers in Austria, although its low concentration does not contravene European regulations.

Read More thumbnail image: Pot in perfume Marijuana active component detected

Journal Highlight: Human sports drug testing by mass spectrometry

Date: Jan 9, 2017

Author: spectroscopyNOW

Milestones in doping control analysis accomplished in Germany from the early developments to the current use of hyphenated mass spectrometric techniques concerning low- and high-molecular mass analytes have been reviewed.

Read More thumbnail image: Journal Highlight Human sports drug testing by mass spectrometry

Mouldy mycotoxins: Imaging distributions in food

Date: Jan 3, 2017

Author: Steve Down

The distributions of mycotoxins in mould-infested food have been mapped by MALDI mass spectrometry imaging for the first time in a proof-of-principle study that could be extended to living plants.

Read More thumbnail image: Mouldy mycotoxins Imaging distributions in food

Foetal tobacco smoke exposure: Touch spray meconium analysis

Date: Dec 15, 2016

Author: Steve Down

Nicotine and its metabolite cotinine have been measured in meconium from newborn children using the recently developed touch spray mass spectrometry technique which will reduce the time and cost of testing for in utero tobacco smoke exposure.

Read More thumbnail image: Foetal tobacco smoke exposure Touch spray meconium analysis

Journal Highlight: Evaluation of the spectral accuracy of mass spectrometers using compounds containing Cl or Br atoms

Date: Dec 5, 2016

Author: spectroscopyNOW

Two methods with lower theoretical uncertainties have been developed for evaluating the spectral accuracy in single and triple quadrupole mass spectrometers.

Read More thumbnail image: Journal Highlight Evaluation of the spectral accuracy of mass spectrometers using compounds containing Cl or Br atoms

Christmas treats: Irradiated turkey off-odour

Date: Dec 1, 2016

Author: Steve Down

Christmas cooks this year might be surprised to learn that raw turkey breast develops an off-odour following irradiation treatment designed to kill pathogens, say researchers in the US, who also studied the factors behind the accompanying change in colour.

Read More thumbnail image: Christmas treats Irradiated turkey off-odour

Depression diagnosis: Lipid biomarker panel

Date: Nov 16, 2016

Author: Steve Down

A panel of specific lipids has been proposed as biomarkers for major depressive disorder following a lipidomics examination that exploits the disturbed metabolism that the sufferers experience.

Read More thumbnail image: Depression diagnosis Lipid biomarker panel

Journal Highlight: In pursuit of resolution in time-of-flight mass spectrometry: A historical perspective

Date: Nov 7, 2016

Author: spectroscopyNOW

Time-of-flight mass spectrometry is reviewed from its inception in the 1940s to the present day. The review is concerned with fundamentals of time-of-flight analyzers and of ion sources to the extent that sources influence analyzers.

Read More thumbnail image: Journal Highlight In pursuit of resolution in time-of-flight mass spectrometry A historical perspective

Polyamines in distilled drinks: Host-guest complexation for mass spectrometry

Date: Nov 1, 2016

Author: Steve Down

Biogenic polyamines that are toxic to humans can be measured in distilled drinks using a direct mass spectrometric method after trapping them in inclusion complexes.

Read More thumbnail image: Polyamines in distilled drinks Host-guest complexation for mass spectrometry

SFC/MS for doping control: Polar drugs resolved

Date: Oct 15, 2016

Author: Steve Down

Polar drugs of abuse that are on the WADA prohibited list and are difficult to separate by HPLC have been analysed successfully using SFC linked to mass spectrometry, providing a complementary technique to give improved coverage.

Read More thumbnail image: SFCMS for doping control Polar drugs resolved
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